but in the end it was the taliban who have claimed responsibility for his death. natalie? >> thanks so much, atia. >>> u.s. relations with pakistan are getting icier as drone attacks are intensifying following this suspension of one-third of u.s. military aide to pakistan. u.s. slammed pakistan's reluctance to fight afghan militants along its border. >>> a government accountability report released today finds the system for detecting medicaid and medicare fraud are inadequate and underused. billion of dollars and claims are paid out each year, according to the report. >>> finala era is conducted today. two space station residents will execute the walk to retrieve a broken pump. meantime, the landing plan for the "atlantis" has changed. it will now touchdown in the predawn houring of july 21st at the kennedy space center. >>> meantime, all eyes are going to be on sergeant scott moore at the marine corps ball this november when he shows up with movie star mila kunis on his arm. he asked her to the ball on youtube. take a look. >> hey, mila. sergeant moore. you can call me sc